Model
Fountek FW100B
Rating
DIAM
4"
FS(Hz)
77
VAS(l)
2.1
QTS
0.63
PWR(W)
70
SPL(dB)
82.7
IMP(Ohm)
8x1
avb
PROD
Thiele-Small Parameters
Fs(Hz)
77
Vas(l)
2.1
Qts
0.63
Qms
3.1
Qes
0.79
Bl(Tm)
5.6
Mms(gr)
8
Cms(mm/N)
0.527
Rms(kg/s)
1.26
Le(mH)
0
Re(Ohm)
6.2
Sd(sq.mm)
5542
Vd(l)
0.022
X-max(mm)
4
X-mech(mm)
0
General Parameters
Diameter (inch)
4
Max Power(W.)
70
RMS Power(W.)
35
Number of Coils
1
Impedance Z-Nom(Ohm)
8
Reference efficiency η0(%)
0.12
Sensitivity(dB) 1-W
82.7
Sensitivity(dB) 2.8-V
83.8
Mounting Information
Speaker Displacement (l)
0
Total Diameter (mm)
104
Cutout Diameter (mm)
101
Mounting Depth (mm)
60
Magnet Diameter (mm)
85
Optimum Enclosures
Enclosures
Vented, BP6
